Starting in 2015, you will only be able to transfer 250,000 Membership Rewards to Delta miles per year and 200,000 Starwood Preferred Guest points to 250,000 Delta miles per year.

Until July 31, 2014, you can transfer 20,000 SPG Starpoints to 30,000 US Airways Dividend miles.

This promotion is identical to the current promotion to transfer 20,000 Starpoints to 30,000 American Airlines miles, which makes sense since US Airways and American Airlines have legally merged.

Yesterday I said about the American Airlines promotion: "it's July 2nd, and I think we can probably declare this the best miles deal July will see!" Of course, such a statement was disproved in less than a day because I consider the US Airways promotion slightly better.

How many Starpoints

Overnight, I wrote about the current Starwood/American Airlines promotion: for all of July, 20,000 Starpoints will transfer to 30,000 American Airlines miles.

I gave the facts in this post, but I was called out in the comments for not analyzing the promotion. Said DH:

"Is this offer an indication there’s an AA devaluation right around the corner? If so, is this transfer still a good idea? Starwood points are really valuable, and I doubt devalued AA miles would be anywhere close.

Until July 31, 2014, you can transfer 20,000 SPG Starpoints to 30,000 American Airlines AAdvantage miles.

It's July 2nd, and I think we can probably declare this the best miles deal July will see!

How many Starpoints can you transfer?
Do Starpoints transfer instantly to American Airlines miles?
In what increment must you transfer Starpoints to maximize this deal?

"From July 1 through July 31, 2014, simply convert your Starpoints® to American Airlines AAdvantage miles and earn a 20% bonus.

In general, you should use airline miles for flights only and hotel points for hotel stays only. There are a few exceptions.

For instance, Starpoints in your Starwood Preferred Guest account are great for hotels, but they also transfer at a favorable rate to 30 major airlines. Read my Starpoints Primer here.

Starpoints also occasionally offer incredible value through Moments by SPG. SPG Moments offer one-of-a-kind musical, sporting, or cultural experiences to Starwood Preferred Guest members.

Some of the packages are available for immediate redemption, and some are in an auction format.

There are some great deals and tips kicking around the web that were already written up perfectly. I have added a few notes, and hopefully the aggregation will be useful.

1) Mile Nerd flags the opportunity to earn 15 American Airlines miles per dollar on donations during October--Breast Cancer Awareness Month--to Susan G. Komen for the Cure.

Donate through the link on this page. Full terms and conditions:

If you were already intending to donate, this is a great deal.

Starwood Hotels Offering 20% Discount on Starpoints Purchases

Per this thread on FlyerTalk, Starwood is offering a 20% discount on all Starpoint purchases through November 30th. Purchasing Starpoints normally costs 3.5 cents per point. With this promotion, you can buy Starpoints for 2.8 cents each.

To purchase, simply follow this link and input your Starwood Preferred Guest information along with your payment selection.

I see that Starpoints top your Mile Value Leaderboard.